CN105316094A - Environment-friendly gear lubricant and preparation method thereof - Google Patents
Environment-friendly gear lubricant and preparation method thereof Download PDFInfo
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- CN105316094A CN105316094A CN201510822327.1A CN201510822327A CN105316094A CN 105316094 A CN105316094 A CN 105316094A CN 201510822327 A CN201510822327 A CN 201510822327A CN 105316094 A CN105316094 A CN 105316094A
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Abstract
The invention provides an environment-friendly gear lubricant. The environment-friendly gear lubricant is prepared from, by weight, 5-15 parts of trimellitate, 10-20 parts of trimethylolpropane trioleate, 8-12 parts of sodium citrate, 30-50 parts of plant oil, 5-10 parts of polyethylene glycol, 3-8 parts of nitrogen-containing boric acid ester, 2-5 parts of porous carbon fiber, 1-3 parts of nanometer silicon carbide, 0.5-1 part of an anti-faming agent, 0.05-0.3 part of a dispersing agent and 1-2 parts of a thickening agent. The invention further discloses a preparation method of the environment-friendly gear lubricant. The obtained environment-friendly gear lubricant is good in lubricating performance, good in noise reduction effect, good in stability, excellent in high temperature resistance and low in price, has the certain biological degradability and is beneficial to environmental protection.
Description
Technical field:
The present invention relates to technical field of lubricating oil, be specifically related to a kind of environment-friendly type gear grease.
Background technology:
Adding gear grease is the prerequisite that gear runs well, and faulty lubrication or quality of lubrication oil are not high all will cause gear failure.Data shows, and the machinery breakdown of 34% is caused by lack of lubrication, has 19.6% to cause due to faulty lubrication in addition.Facts have proved, adopt advanced lubricant and lubrication technology, can the better the transmission efficiency improving gear, reduce gear wear, ensure the work that mechanical means can be lasting and stable under exacting terms more.Be of great significance so improve gear lubrication technology tool.
Base oil is the important component part of finished lube, plays an important role in lubricating oil upgrading.Along with the increasingly stringent of environmental regulation, modern lubricating oil requires more and more harsher to environmental-protecting performance, also more and more higher to the requirement of base oil.Traditional lubricating oil is oil based on distillate oil, and add additive modulation and form, this class lubricating oil is former meets service requirements, and oil product exploitation also achieves remarkable effect.But because fractionation is through the process of series of physical method, its composition is the mixture that the impurity such as the hydro carbons do not waited by molecular size and nitrogenous, sulphur, oxygen is formed.Its vaporization losses is large, pour point is high, viscosity index is little and impurely affect oil property.Nearly 20 years, the development of synthetic lubricant base oil technology compensate for the deficiency of mineral oil based base oil performance day by day, and its performance that to have excellent biodegradability, high viscosity index, oxidation stability good etc. excellent, ucon oil has a wide range of applications.
Additive is the indispensable part of lubricating oil.Although content comparative basis oil is less in oil product composition, additive character decides the use properties of oil product.Additive is a kind of fine chemical product of high technology content.Development difficulty is large, manufacturability is complicated, development and production have high input, added value is high.
Chinese patent (201310644597.9) discloses a kind of gear environment-protective lubricant oil, comprise pitch, Trisodium Citrate, Seignette salt, Sanya olein, primary alconol base zinc dialkyl dithiophosphate, diatomite, n-butyl acetate, phosphorous acid ester, 124 Triazole and derivative thereof, silicone and vegetables oil.Gear grease oil film Forming ability provided by the invention and resistance to elevated temperatures good, cheap, not chlorinated solvents, nontoxic, be conducive to environment protection, but it is wear-resisting, corrosion resistance nature is poor.
Summary of the invention:
The object of this invention is to provide a kind of environment-friendly type gear grease, its lubricity is good, good muffling effect, good stability, and resistance to elevated temperatures is excellent, cheap, has certain biological degradability, is conducive to environment protection.
Another object of the present invention is to provide the preparation method of this environment-friendly type gear grease.
For achieving the above object, the present invention is by the following technical solutions:
A kind of environment-friendly type gear grease, with parts by weight, comprises following component:
Trimellitate 5-15 part,
Tricarboxymethyl propane oleate 10-20 part,
Trisodium Citrate 8-12 part, vegetables oil 30-50 part,
Polyoxyethylene glycol 5-10 part, nitrogen-containing borate 3-8 part,
Porous carbon fiber 2-5 part, nanometer silicon carbide 1-3 part,
Kilfoam 0.5-1 part, dispersion agent 0.05-0.3 part, tackifier 1-2 part.
Preferred as technique scheme, a kind of environment-friendly type gear grease, with parts by weight, comprises following component:
Trimellitate 5-15 part,
Tricarboxymethyl propane oleate 10-20 part,
Trisodium Citrate 8-12 part, vegetables oil 30-50 part,
Polyoxyethylene glycol 5-10 part, nitrogen-containing borate 3-8 part,
Porous carbon fiber 2-5 part, nanometer silicon carbide 1-3 part,
Kilfoam 0.5-1 part, dispersion agent 0.05-0.3 part, tackifier 1-2 part.
Preferred as technique scheme, the diameter of described porous carbon fiber is 0.5-1 μm, and its length is 10-20 μm.
Preferred as technique scheme, the size of described nanometer silicon carbide is 10-15nm.
Preferred as technique scheme, described kilfoam is one or more mixing in polymethyl siloxane, polyphenyl methyl-monosilane and acrylate ether copolymer.
Preferred as technique scheme, described dispersion agent is one or more mixing in the kuteera gum of polyoxyethylenated castor oil, sodium lignosulfonate, guar gum, deacetylation.
Preferred as technique scheme, described tackifier are the mixture of polymethacrylate, ethylene-propylene copolymer, and the two mass ratio is 2:3.
A preparation method for environment-friendly type gear grease, comprises the following steps:
(1) by vegetables oil, trimellitate, tricarboxymethyl propane oleate and nitrogen-containing borate mixing and stirring, be transferred in autoclave, be warming up to 80-100 DEG C, be uniformly mixed 2-3h, be cooled to 40-50 DEG C, add Trisodium Citrate, polyoxyethylene glycol, under the power of 500-800W, ultrasonic 30-60min, obtains mixed solution;
(2) mixed dispersion liquid that step (1) obtains is cooled to room temperature, adds porous carbon fiber, nanometer silicon carbide and dispersion agent, under the power of 600-1000W, ultrasonic 1-2h, then add kilfoam and tackifier, be uniformly mixed, obtain environment-friendly type gear grease.
Preferred as technique scheme, in step (1), described ultrasonic power is 600W, and the described ultrasonic time is 50min.
Preferred as technique scheme, in step (2), described ultrasonic power is 1000W, and the described ultrasonic time is 1h.
The present invention has following beneficial effect:
The present invention adds the inorganic particle such as porous carbon fiber, silicon carbide in lubricating oil; then finishing is carried out by dispersion agent; and it is auxiliary with certain ultrasound condition; obtain the lubricating oil of stably dispersing; its good heat conductivity, radiating effect is excellent, and base oil adopts vegetables oil; biodegradability is strong, is conducive to environment protection.
Embodiment:
For a better understanding of the present invention, below by embodiment, the present invention is further described, and embodiment, only for explaining the present invention, can not form any restriction to the present invention.
Embodiment 1
A kind of environment-friendly type gear grease, with parts by weight, comprises following component:
Trimellitate 5 parts, tricarboxymethyl propane oleate 10 parts,
Trisodium Citrate 8 parts, vegetables oil 30 parts,
Polyoxyethylene glycol 5 parts, nitrogen-containing borate 3 parts,
Porous carbon fiber 2 parts, nanometer silicon carbide 1 part,
Kilfoam 0.5 part, dispersion agent 0.05 part, tackifier 1 part.
Its preparation method comprises the following steps:
(1) by vegetables oil, trimellitate, tricarboxymethyl propane oleate and nitrogen-containing borate mixing and stirring, be transferred in autoclave, be warming up to 80 DEG C, be uniformly mixed 2h, be cooled to 40 DEG C, add Trisodium Citrate, polyoxyethylene glycol, under the power of 500W, ultrasonic 30min, obtains mixed solution;
(2) mixed dispersion liquid that step (1) obtains is cooled to room temperature, adds porous carbon fiber, nanometer silicon carbide and dispersion agent, under the power of 600W, ultrasonic 1h, then add kilfoam and tackifier, be uniformly mixed, obtain environment-friendly type gear grease.
Embodiment 2
A kind of environment-friendly type gear grease, with parts by weight, comprises following component:
Trimellitate 15 parts, tricarboxymethyl propane oleate 20 parts,
Trisodium Citrate 12 parts, vegetables oil 50 parts,
Polyoxyethylene glycol 10 parts, nitrogen-containing borate 8 parts,
Porous carbon fiber 5 parts, nanometer silicon carbide 3 parts,
Kilfoam 1 part, dispersion agent 0.3 part, tackifier 2 parts.
Its preparation method comprises the following steps:
(1) by vegetables oil, trimellitate, tricarboxymethyl propane oleate and nitrogen-containing borate mixing and stirring, be transferred in autoclave, be warming up to 100 DEG C, be uniformly mixed 3h, be cooled to 50 DEG C, add Trisodium Citrate, polyoxyethylene glycol, under the power of 800W, ultrasonic 60min, obtains mixed solution;
(2) mixed dispersion liquid that step (1) obtains is cooled to room temperature, adds porous carbon fiber, nanometer silicon carbide and dispersion agent, under the power of 1000W, ultrasonic 2h, then add kilfoam and tackifier, be uniformly mixed, obtain environment-friendly type gear grease.
Embodiment 3
A kind of environment-friendly type gear grease, with parts by weight, comprises following component:
Trimellitate 8 parts, tricarboxymethyl propane oleate 13 parts,
Trisodium Citrate 9 parts, vegetables oil 34 parts,
Polyoxyethylene glycol 6 parts, nitrogen-containing borate 4 parts,
Porous carbon fiber 2.8 parts, nanometer silicon carbide 1.3 parts,
Kilfoam 0.6 part, dispersion agent 0.1 part, tackifier 1.1 parts.
Its preparation method comprises the following steps:
(1) by vegetables oil, trimellitate, tricarboxymethyl propane oleate and nitrogen-containing borate mixing and stirring, be transferred in autoclave, be warming up to 90 DEG C, be uniformly mixed 2.3h, be cooled to 40 DEG C, add Trisodium Citrate, polyoxyethylene glycol, under the power of 600W, ultrasonic 40min, obtains mixed solution;
(2) mixed dispersion liquid that step (1) obtains is cooled to room temperature, adds porous carbon fiber, nanometer silicon carbide and dispersion agent, under the power of 700W, ultrasonic 1.6h, then add kilfoam and tackifier, be uniformly mixed, obtain environment-friendly type gear grease.
Embodiment 4
A kind of environment-friendly type gear grease, with parts by weight, comprises following component:
Trimellitate 10 parts, tricarboxymethyl propane oleate 15 parts,
Trisodium Citrate 10 parts, vegetables oil 38 parts,
Polyoxyethylene glycol 7 parts, nitrogen-containing borate 5 parts,
Porous carbon fiber 3.2 parts, nanometer silicon carbide 1.6 parts,
Kilfoam 0.7 part, dispersion agent 0.15 part, tackifier 1.4 parts.
Its preparation method comprises the following steps:
(1) by vegetables oil, trimellitate, tricarboxymethyl propane oleate and nitrogen-containing borate mixing and stirring, be transferred in autoclave, be warming up to 80 DEG C, be uniformly mixed 2.7h, be cooled to 50 DEG C, add Trisodium Citrate, polyoxyethylene glycol, under the power of 700W, ultrasonic 50min, obtains mixed solution;
(2) mixed dispersion liquid that step (1) obtains is cooled to room temperature, adds porous carbon fiber, nanometer silicon carbide and dispersion agent, under the power of 800W, ultrasonic 1.8h, then add kilfoam and tackifier, be uniformly mixed, obtain environment-friendly type gear grease.
Embodiment 5
A kind of environment-friendly type gear grease, with parts by weight, comprises following component:
Trimellitate 13 parts, tricarboxymethyl propane oleate 16 parts,
Trisodium Citrate 11 parts, vegetables oil 43 parts,
Polyoxyethylene glycol 8 parts, nitrogen-containing borate 6 parts,
Porous carbon fiber 3.6 parts, nanometer silicon carbide 1.7 parts,
Kilfoam 0.8 part, dispersion agent 0.2 part, tackifier 1.8 parts.
Its preparation method comprises the following steps:
(1) by vegetables oil, trimellitate, tricarboxymethyl propane oleate and nitrogen-containing borate mixing and stirring, be transferred in autoclave, be warming up to 90 DEG C, be uniformly mixed 2.5h, be cooled to 50 DEG C, add Trisodium Citrate, polyoxyethylene glycol, under the power of 600W, ultrasonic 40min, obtains mixed solution;
(2) mixed dispersion liquid that step (1) obtains is cooled to room temperature, adds porous carbon fiber, nanometer silicon carbide and dispersion agent, under the power of 900W, ultrasonic 1.9h, then add kilfoam and tackifier, be uniformly mixed, obtain environment-friendly type gear grease.
Embodiment 6
A kind of environment-friendly type gear grease, with parts by weight, comprises following component:
Trimellitate 14 parts, tricarboxymethyl propane oleate 15 parts,
Trisodium Citrate 11 parts, vegetables oil 50 parts,
Polyoxyethylene glycol 9 parts, nitrogen-containing borate 7 parts,
Porous carbon fiber 3.8 parts, nanometer silicon carbide 2.7 parts,
Kilfoam 0.9 part, dispersion agent 0.25 part, tackifier 1.4 parts.
Its preparation method comprises the following steps:
(1) by vegetables oil, trimellitate, tricarboxymethyl propane oleate and nitrogen-containing borate mixing and stirring, be transferred in autoclave, be warming up to 90 DEG C, be uniformly mixed 3h, be cooled to 40 DEG C, add Trisodium Citrate, polyoxyethylene glycol, under the power of 700W, ultrasonic 50min, obtains mixed solution;
(2) mixed dispersion liquid that step (1) obtains is cooled to room temperature, adds porous carbon fiber, nanometer silicon carbide and dispersion agent, under the power of 700W, ultrasonic 1.6h, then add kilfoam and tackifier, be uniformly mixed, obtain environment-friendly type gear grease.
Claims (10)
1. an environment-friendly type gear grease, is characterized in that, with parts by weight, comprises following component:
Trimellitate 5-15 part,
Tricarboxymethyl propane oleate 10-20 part,
Trisodium Citrate 8-12 part, vegetables oil 30-50 part,
Polyoxyethylene glycol 5-10 part, nitrogen-containing borate 3-8 part,
Porous carbon fiber 2-5 part, nanometer silicon carbide 1-3 part,
Kilfoam 0.5-1 part, dispersion agent 0.05-0.3 part, tackifier 1-2 part.
2. a kind of environment-friendly type gear grease as claimed in claim 1, is characterized in that, with parts by weight, comprises following component:
Trimellitate 5-15 part,
Tricarboxymethyl propane oleate 10-20 part,
Trisodium Citrate 8-12 part, vegetables oil 30-50 part,
Polyoxyethylene glycol 5-10 part, nitrogen-containing borate 3-8 part,
Porous carbon fiber 2-5 part, nanometer silicon carbide 1-3 part,
Kilfoam 0.5-1 part, dispersion agent 0.05-0.3 part, tackifier 1-2 part.
3. a kind of environment-friendly type gear grease as claimed in claim 1, is characterized in that, the diameter of described porous carbon fiber is 0.5-1 μm, and its length is 10-20 μm.
4. a kind of environment-friendly type gear grease as claimed in claim 1, is characterized in that, the size of described nanometer silicon carbide is 10-15nm.
5. a kind of environment-friendly type gear grease as claimed in claim 1, is characterized in that, described kilfoam is one or more mixing in polymethyl siloxane, polyphenyl methyl-monosilane and acrylate ether copolymer.
6. a kind of environment-friendly type gear grease as claimed in claim 1, is characterized in that, described dispersion agent is one or more mixing in the kuteera gum of polyoxyethylenated castor oil, sodium lignosulfonate, guar gum, deacetylation.
7. a kind of environment-friendly type gear grease as claimed in claim 1, is characterized in that, described tackifier are the mixture of polymethacrylate, ethylene-propylene copolymer, and the two mass ratio is 2:3.
8. the preparation method of a kind of environment-friendly type gear grease as described in as arbitrary in claim 1 to 7, is characterized in that, comprise the following steps:
(1) by vegetables oil, trimellitate, tricarboxymethyl propane oleate and nitrogen-containing borate mixing and stirring, be transferred in autoclave, be warming up to 80-100 DEG C, be uniformly mixed 2-3h, be cooled to 40-50 DEG C, add Trisodium Citrate, polyoxyethylene glycol, under the power of 500-800W, ultrasonic 30-60min, obtains mixed solution;
(2) mixed dispersion liquid that step (1) obtains is cooled to room temperature, adds porous carbon fiber, nanometer silicon carbide and dispersion agent, under the power of 600-1000W, ultrasonic 1-2h, then add kilfoam and tackifier, be uniformly mixed, obtain environment-friendly type gear grease.
9. the preparation method of a kind of environment-friendly type gear grease as claimed in claim 8, is characterized in that, in step (1), described ultrasonic power is 600W, and the described ultrasonic time is 50min.
10. the preparation method of a kind of environment-friendly type gear grease as claimed in claim 8, is characterized in that, in step (2), described ultrasonic power is 1000W, and the described ultrasonic time is 1h.
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| CN201510822327.1A CN105316094A (en) | 2015-11-24 | 2015-11-24 | Environment-friendly gear lubricant and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108865347A (en) * | 2018-06-12 | 2018-11-23 | 界首市皖俊轴承有限公司 | A kind of preparation method of lubricating fluid |
| CN109370730A (en) * | 2018-11-20 | 2019-02-22 | 福泉市利广环保设备有限公司 | A kind of environmental protection equipment lubricating oil and preparation method thereof |
| CN109517650A (en) * | 2018-11-20 | 2019-03-26 | 福泉市利广环保设备有限公司 | A kind of environmental protection equipment lubricating oil and preparation method thereof |
| CN109679752A (en) * | 2019-01-29 | 2019-04-26 | 汉能（青岛）润滑科技有限公司 | A kind of degradable lubricating oil and preparation method thereof using permeable formation technology |
| CN110257146A (en) * | 2019-07-23 | 2019-09-20 | 沧州市亿达渤润石化有限公司 | A kind of new lubricant |
| CN114480002A (en) * | 2022-02-21 | 2022-05-13 | 广州又一信息科技有限公司 | High-temperature-resistant and wear-resistant environment-friendly lubricating oil and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101379168A (en) * | 2006-01-12 | 2009-03-04 | 阿肯色大学评议会 | Nanoparticle compositions and methods for making and using the same |
| CN102433195A (en) * | 2011-10-24 | 2012-05-02 | 中国石油化工股份有限公司 | Open gear lubricating grease composition |
| CN102952617A (en) * | 2012-11-02 | 2013-03-06 | 北京欧陆宝石化产品有限公司 | Hydraulic-transmission-braking three-use lubricating oil composition |
| CN103710098A (en) * | 2013-12-05 | 2014-04-09 | 青岛汇而通商贸有限公司 | Green and environmentally friendly gear lubricating oil |
| CN104946359A (en) * | 2015-06-15 | 2015-09-30 | 赵兰 | Lubricating oil for automobile gears and preparation method thereof |
| CN105038914A (en) * | 2015-06-30 | 2015-11-11 | 上海禾泰特种润滑科技股份有限公司 | Gearbox lubricating agent composition and preparation method thereof |
-
2015
- 2015-11-24 CN CN201510822327.1A patent/CN105316094A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101379168A (en) * | 2006-01-12 | 2009-03-04 | 阿肯色大学评议会 | Nanoparticle compositions and methods for making and using the same |
| CN102433195A (en) * | 2011-10-24 | 2012-05-02 | 中国石油化工股份有限公司 | Open gear lubricating grease composition |
| CN102952617A (en) * | 2012-11-02 | 2013-03-06 | 北京欧陆宝石化产品有限公司 | Hydraulic-transmission-braking three-use lubricating oil composition |
| CN103710098A (en) * | 2013-12-05 | 2014-04-09 | 青岛汇而通商贸有限公司 | Green and environmentally friendly gear lubricating oil |
| CN104946359A (en) * | 2015-06-15 | 2015-09-30 | 赵兰 | Lubricating oil for automobile gears and preparation method thereof |
| CN105038914A (en) * | 2015-06-30 | 2015-11-11 | 上海禾泰特种润滑科技股份有限公司 | Gearbox lubricating agent composition and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108865347A (en) * | 2018-06-12 | 2018-11-23 | 界首市皖俊轴承有限公司 | A kind of preparation method of lubricating fluid |
| CN109370730A (en) * | 2018-11-20 | 2019-02-22 | 福泉市利广环保设备有限公司 | A kind of environmental protection equipment lubricating oil and preparation method thereof |
| CN109517650A (en) * | 2018-11-20 | 2019-03-26 | 福泉市利广环保设备有限公司 | A kind of environmental protection equipment lubricating oil and preparation method thereof |
| CN109679752A (en) * | 2019-01-29 | 2019-04-26 | 汉能（青岛）润滑科技有限公司 | A kind of degradable lubricating oil and preparation method thereof using permeable formation technology |
| CN110257146A (en) * | 2019-07-23 | 2019-09-20 | 沧州市亿达渤润石化有限公司 | A kind of new lubricant |
| CN114480002A (en) * | 2022-02-21 | 2022-05-13 | 广州又一信息科技有限公司 | High-temperature-resistant and wear-resistant environment-friendly lubricating oil and preparation method thereof |
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Application publication date: 20160210 |